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Round|Lab Grown|IGI

1.03ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • IGI LG472170725

Shape and cutting style on the report: Round brilliant

Certificate IGI LG472170725

Diamond specifications and retailer prices

From $1,085 NZD
As of November 5, 2026
Save $1,302 NZD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,618 NZD at Friendly Diamonds · As of November 4, 2026
View at Friendly Diamonds

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG472170725 or 472170725. Listed at 11 retailers as of November 4, 2026, with a 120% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.03
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG472170725
Dimensions6.61 × 6.56 × 3.87 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.61 mm6.56 mm1.03 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG472170725
Side View
Table 60.0%Crown 32.2°Girdle: MediumPavilion 40.5°Culet: NoneDepth 58.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $3,618 NZD|Low: $1,085 NZD|High: $5,837 NZD|Avg: $2,362 NZD
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$1,085 NZD
Retailer 4$1,267 NZD
Retailer 8$1,418 NZD
Retailer 6$1,469 NZD
Retailer 2$2,323 NZD
Retailer 7$2,387 NZD
Friendly Diamonds$3,618 NZD
Retailer 3$5,753 NZD

44 data points across 8 retailers

11 retailers$1,085 NZD to $2,387 NZD

B
Cheapest Retailer
-
$1,085 NZD
B
Retailer 2
-
$1,267 NZD
View
B
Retailer 3
-
$1,379 NZD
View
B
Retailer 4
-
$1,418 NZD
View
Final sale: no returns
B
Retailer 5
-
$1,469 NZD
View
Retailer 6
-
$1,469 NZD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$2,323 NZD
View
B
Retailer 8
-
$2,387 NZD
View
Most Expensive
Friendly Diamonds
1589862 · Nov 4
$3,618 NZD
$2,034 USD
View
Price under review
8 more retailers have this diamond
Prices start from $1,085 NZDSave up to $1,302 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
1.03ct Round
$1,085 NZD